Subject	vietnam
Predicate	have opened
Object	itself
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.0003
Neighborhood Sigma	0.0003
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source why has vietnam opened itself meets western investment, yet north korea, also communist state, has kept its door shut 1 Quora Questions